Oracle 1Z0-858 study materials

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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Exam 1Z0-858
Exam Number/Code : 1Z0-858
Exam Name : Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
One year free update
Once failed,100% refund
Questions and Answers : 276Q&As
Update Time : 2013-5-13
Price : $79.00

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Free 1Z0-858 Demo Download
1.You have created a JSP that includes instance variables and a great deal of scriptlet code.
Unfortunately, after extensive load testing, you have discovered several race conditions in your JSP
scriptlet code. To fix these problems would require significant recoding, but you are already behind
schedule. Which JSP code snippet can you use to resolve these concurrency problems?
A. <%@ page isThreadSafe=’false’ %>
B. <%@ implements SingleThreadModel %>
C. <%! implements SingleThreadModel %>
D. <%@ page useSingleThreadModel=’true’ %>
E. <%@ page implements=’SingleThreadModel’ %>
Answer: A

2. Given the JSP code:
<% request.setAttribute(“foo”, “bar”); %>
and the Classic tag handler code:
5. public int doStartTag() throws JspException {
6. // insert code here
7. // return int
8. }
Assume there are no other “foo” attributes in the web application.
Which invocation on the pageContext object, inserted at line 6, assigns “bar” to the variable x?
A. String x = (String) pageContext.getAttribute(“foo”);
B. String x = (String) pageContext.getRequestScope(“foo”);
C. It is NOT possible to access the pageContext object from within doStartTag.
D. String x = (String)
E. String x = (String) pageContext.getAttribute(“foo”,
Answer: D